工艺与制造英文2021被引 11
干纤维铺放工艺：工艺参数对层板力学性能和树脂浸润行为的影响
Dry Fibre Placement: The Influence of Process Parameters on Mechanical Laminate Properties and Infusion Behaviour
Benjamin Grisin, Stefan Carosella, Peter Middendorf · University of Stuttgart
摘要整理
干纤维铺放（DFP）工艺采用2D和3D铺放系统，将展开的预浸胶碳纤维束自动加工成干态纺织预成型体。该工艺旨在实现传统手工铺放的自动化，降低工艺复杂度，提高过程稳定性，便于DFP技术的推广应用。研究证明该工艺具有高可靠性、低废料率和灵活的生产特性。本研究重点调查了工艺参数（2 mm宽间隙和层板中90°层的比例）对层板力学性能、渗透率和预成型体厚度方向（z向）树脂浸润时间的影响。通过对比分析多个应用场景，评估了这些参数对刚度和强度的作用规律。采用真空辅助工艺（VAP）浸润试验，建立了层板厚度、铺层结构和2 mm宽间隙等因素与浸润时间的函数关系，并进行了系统分析。研究采用24 k碳纤维束、反应型环氧基胶粘剂体系和热固性浸润树脂体系进行试验验证。
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